Table Of Contents; Contents; Hazard Definitions - Lochinvar Power-fin 502 Service Manual

Contents

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Hazard definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Please read before proceeding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
What is in this manual? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1. Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Troubleshooting Chart - No Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Checking Temperature Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Troubleshooting Chart - Noisy System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Troubleshooting Chart - Fault Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Revision Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk
levels or to important information concerning the life of the product.
DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or
DANGER
serious injury.
WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or
WARNING
serious injury.
CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or
CAUTION
moderate injury.
CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not
CAUTION
avoided, may result in property damage.
NOTICE indicates special instructions on installation, operation, or maintenance that are important but
NOTICE
not related to personal injury or property damage.
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Service Manual